z/OS MVS System Messages, Vol 3 (ASB-BPX)
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ATRH010E

z/OS MVS System Messages, Vol 3 (ASB-BPX)
SA38-0670-00

ATRH010E
RRS stream log stream is allowed to share its coupling facility structure with another log stream. This is not recommended.

Explanation

IBM® recommends that each RRS log stream reside in its own coupling facility structure. This is particularly important for the archive log. Allowing the RRS archive log stream to share its coupling facility structure with another log stream is likely to result in sub-optimal use of the storage in the coupling facility structure. The system performance might be affected.

You can prevent this check from running. For more details, see the IBM Health Checker for z/OS User's Guide.

System action

RRS continues processing.

Operator response

N/A

System programmer response

Consider putting the RRS archive log in its own coupling facility structure. Use the IXCMIAPU utility to accomplish this. For example, to give the archive log its own structure named ABC, run the IXCMIAPU program with the this input:
DATA TYPE(LOGR) 
DEFINE STRUCTURE NAME(ABC) LOGSNUM(1) 
      
The LOGSNUM(1) means that only one log stream can use structure ABC. See the z/OS MVS Setting Up a Sysplex for more information about IXCMIAPU.

Problem determination

N/A

Module

ATRHMCHK

Source

Resource Recovery Services (RRS)

Automation

N/A

Routing Code

N/A

Descriptor Code

N/A

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